Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213761 | Process for treating cellulosic materials with liquid ammonia | — | 1980-07-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213761 | Process for treating cellulosic materials with liquid ammonia | — | 1980-07-22 |